#ifndef _XECONTAINERFORMATPARSER_HPP
#define _XECONTAINERFORMATPARSER_HPP
/*-------------------------------------------------------------------------
 * drawElements Quality Program Test Executor
 * ------------------------------------------
 *
 * Copyright 2014 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 *//*!
 * \file
 * \brief Test log container format parser.
 *//*--------------------------------------------------------------------*/

#include "xeDefs.hpp"
#include "deRingBuffer.hpp"

namespace xe
{

enum ContainerElement
{
	CONTAINERELEMENT_INCOMPLETE = 0,
	CONTAINERELEMENT_END_OF_STRING,
	CONTAINERELEMENT_BEGIN_SESSION,
	CONTAINERELEMENT_END_SESSION,
	CONTAINERELEMENT_SESSION_INFO,
	CONTAINERELEMENT_BEGIN_TEST_CASE_RESULT,
	CONTAINERELEMENT_END_TEST_CASE_RESULT,
	CONTAINERELEMENT_TERMINATE_TEST_CASE_RESULT,
	CONTAINERELEMENT_TEST_LOG_DATA,

	CONTAINERELEMENT_LAST
};

class ContainerParseError : public ParseError
{
public:
	ContainerParseError (const std::string& message) : ParseError(message) {}
};

class ContainerFormatParser
{
public:
								ContainerFormatParser		(void);
								~ContainerFormatParser		(void);

	void						clear						(void);

	void						feed						(const deUint8* bytes, size_t numBytes);
	void						advance						(void);

	ContainerElement			getElement					(void) const { return m_element; }

	// SESSION_INFO
	const char*					getSessionInfoAttribute		(void) const;
	const char*					getSessionInfoValue			(void) const;

	// BEGIN_TEST_CASE
	const char*					getTestCasePath				(void) const;

	// TERMINATE_TEST_CASE
	const char*					getTerminateReason			(void) const;

	// TEST_LOG_DATA
	int							getDataSize					(void) const;
	void						getData						(deUint8* dst, int numBytes, int offset);

private:
								ContainerFormatParser		(const ContainerFormatParser& other);
	ContainerFormatParser&		operator=					(const ContainerFormatParser& other);

	void						error						(const std::string& what);

	enum State
	{
		STATE_AT_LINE_START,
		STATE_CONTAINER_LINE,
		STATE_DATA,

		STATE_LAST
	};

	enum
	{
		END_OF_STRING	= 0,			//!< End of string (0).
		END_OF_BUFFER	= 0xffffffff	//!< End of current data buffer.
	};

	int							getChar						(int offset) const;
	void						parseContainerLine			(void);
	void						parseContainerValue			(std::string& dst, int& offset) const;

	ContainerElement			m_element;
	int							m_elementLen;
	State						m_state;
	std::string					m_attribute;
	std::string					m_value;

	de::RingBuffer<deUint8>		m_buf;
};

} // xe

#endif // _XECONTAINERFORMATPARSER_HPP